function changelocation_dc(locationid_dc,cid)
{
  cid.length = 0; 
  var locationid_dc=locationid_dc;
  var i;
  for (i=0;i < twocount; i++)
  {
    if (subcat[i][1] == locationid_dc)
    { 
      cid.options[cid.length] = new Option(subcat[i][0], subcat[i][2]); 
    } 
  }
}
